94709081 has 2 divisors, whose sum is σ = 94709082. Its totient is φ = 94709080.

The previous prime is 94709047. The next prime is 94709093. The reversal of 94709081 is 18090749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 43099225 = 7184^2 + 6565^2 .

It is an emirp because it is prime and its reverse (18090749) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94709081 is a prime.

It is a super-2 number, since 2×94709081² = 17939620047729122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94709581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47354540 + 47354541.

It is an arithmetic number, because the mean of its divisors is an integer number (47354541).

Almost surely, 2^94709081 is an apocalyptic number.

It is an amenable number.

94709081 is a deficient number, since it is larger than the sum of its proper divisors (1).

94709081 is an equidigital number, since it uses as much as digits as its factorization.

94709081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 94709081 is about 9731.8590721403. The cubic root of 94709081 is about 455.8240205964.

The spelling of 94709081 in words is "ninety-four million, seven hundred nine thousand, eighty-one".